Relevant bibliographies by topics / Polymer manipulation

Academic literature on the topic 'Polymer manipulation'

Author: Grafiati
Published: 10 December 2022
Last updated: 28 January 2023

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Journal articles on the topic "Polymer manipulation"

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Sharifi, M., C. W. Jang, C. F. Abrams, and G. R. Palmese. "Toughened epoxy polymers via rearrangement of network topology." J. Mater. Chem. A 2, no. 38 (2014): 16071–82. http://dx.doi.org/10.1039/c4ta03051f.

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A new toughening mechanism for thermosetting polymers is shown. The technique involves manipulation of polymer network topology allowing the glassy material to deform under loading without rupturing covalent bonds.
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Yu, Wumin, Someswara R. Peri, Bulent Akgun, and Mark D. Foster. "Manipulation of Polymer/Polymer Interface Width from Nonequilibrium Deposition." ACS Applied Materials & Interfaces 5, no. 8 (April 5, 2013): 2976–84. http://dx.doi.org/10.1021/am3022587.

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Jayaneththi, V. R., K. C. Aw, and A. J. McDaid. "Wireless manipulation using magnetic polymer composites." Smart Materials and Structures 29, no. 3 (February 19, 2020): 035035. http://dx.doi.org/10.1088/1361-665x/ab6695.

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Lee, Jung-Hwan, Hae-Won Kim, and Seog-Jin Seo. "Polymer-Ceramic Bionanocomposites for Dental Application." Journal of Nanomaterials 2016 (2016): 1–8. http://dx.doi.org/10.1155/2016/3795976.

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Multiphasic bionanocomposites have been highlighted in the biotechnology field since they have offered mechanical flexibility during operation. This interest has been increased mainly through polymer/ceramic/metal manipulation techniques and modifications in formulation. Recently, a number of studies on bionanocomposites have been examined due to their favorable mechanical properties and cellular activities when compared to the neat polymers or polymer blends. This paper critically reviews recent applications of bionanocomposites for regeneration of pulp-dentin complex, periodontal ligament, and alveolar bone, and substitute of enamel in dentistry.
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Kaino, Toshikuni. "Polymer Optical Waveguides for Optical Signal Manipulation." Seikei-Kakou 20, no. 3 (March 20, 2008): 159–62. http://dx.doi.org/10.4325/seikeikakou.20.159.

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Casadevall i Solvas, Xavier, Ruth A. Lambert, Lawrence Kulinsky, Roger H. Rangel, and Marc J. Madou. "Micromixing and flow manipulation with polymer microactuators." Microfluidics and Nanofluidics 11, no. 4 (April 19, 2011): 405–16. http://dx.doi.org/10.1007/s10404-011-0806-5.

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D’Acunto, Mario, Franco Dinelli, and Pasqualantonio Pingue. "Nanoscale rippling on polymer surfaces induced by AFM manipulation." Beilstein Journal of Nanotechnology 6 (December 2, 2015): 2278–89. http://dx.doi.org/10.3762/bjnano.6.234.

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Nanoscale rippling induced by an atomic force microscope (AFM) tip can be observed after performing one or many scans over the same area on a range of materials, namely ionic salts, metals, and semiconductors. However, it is for the case of polymer films that this phenomenon has been widely explored and studied. Due to the possibility of varying and controlling various parameters, this phenomenon has recently gained a great interest for some technological applications. The advent of AFM cantilevers with integrated heaters has promoted further advances in the field. An alternative method to heating up the tip is based on solvent-assisted viscoplastic deformations, where the ripples develop upon the application of a relatively low force to a solvent-rich film. An ensemble of AFM-based procedures can thus produce nanoripples on polymeric surfaces quickly, efficiently, and with an unprecedented order and control. However, even if nanorippling has been observed in various distinct modes and many theoretical models have been since proposed, a full understanding of this phenomenon is still far from being achieved. This review aims at summarizing the current state of the art in the perspective of achieving control over the rippling process on polymers at a nanoscale level.
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Annadhasan, Mari, Avulu Vinod Kumar, Jada Ravi, Evgeny Mamonov, Tatiana Murzina, and Rajadurai Chandrasekar. "Magnetic Field–Assisted Manipulation of Polymer Optical Microcavities." Advanced Photonics Research 2, no. 4 (February 25, 2021): 2000146. http://dx.doi.org/10.1002/adpr.202000146.

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Wakafuji, Yusai, Rai Moriya, Satoru Masubuchi, Kenji Watanabe, Takashi Taniguchi, and Tomoki Machida. "3D Manipulation of 2D Materials Using Microdome Polymer." Nano Letters 20, no. 4 (March 10, 2020): 2486–92. http://dx.doi.org/10.1021/acs.nanolett.9b05228.

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Dong, Liqin, Tom Hollis, Steven Fishwick, Bernard A Connolly, Nicholas G Wright, Benjamin R Horrocks, and Andrew Houlton. "Synthesis, Manipulation and Conductivity of Supramolecular Polymer Nanowires." Chemistry - A European Journal 13, no. 3 (January 12, 2007): 822–28. http://dx.doi.org/10.1002/chem.200601320.

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Dissertations / Theses on the topic "Polymer manipulation"

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Zarrouati, Nadège. "A precision manipulation system for polymer microdevice production." Thesis, Massachusetts Institute of Technology, 2010. http://hdl.handle.net/1721.1/61927.

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Thesis (S.M.)--Massachusetts Institute of Technology, Dept. of Mechanical Engineering, 2010.
Cataloged from PDF version of thesis.
Includes bibliographical references (p. 105-107).
Microfluidic science is currently going through a transition from the research laboratories to the industry as the applications and technologies increase and improve. One of the challenges of this transition is the automated production of microfluidic devices for competitive costs and production rates. The objective of this thesis was to design and achieve a fully automated production of polymer-based microfluidic devices. The manipulation must be adapted to all the processing stations and its position repeatability must be within a couple of tens of microns. Based on overall consistency and modularity criterions, we selected a SCARA robot associated with a custom vacuum chuck end effector. The position repeatability was improved by an alignment strategy based on a compliant kinematic coupling. For an ideal part, this strategy divides the position uncertainty of the manipulator by a factor of 5. A model of the flow of materials in the production cell has been optimized to maximize the production rate: the shortest value of the Takt time reaches 280s.
by Nadège Zarrouati.
S.M.
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Rachamadugu, Sairaj. "Manipulation of 3D knotted polygons." TopSCHOLAR®, 2012. http://digitalcommons.wku.edu/theses/1162.

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This thesis discusses the development of software architecture to support the computational investigation of random polygons in 3 space. The random polygons themselves are a simple model of long polymer chains. (A DNA molecule is one example of a polymer.) This software architecture includes "building blocks" which specify the actual manipulations and computations to be performed, and a structural framework which allows the user to specify which manipulations/computations to perform, in which order and with how many repetitions. The overall framework is designed in such a way that new building blocks can easily be added in the future. The development of three different building blocks to be used in this architecture which are entitled: Reducer, Lengthener and OutsideInLengthener are also discussed in this thesis. These building blocks manipulate the existing polygons - increasing or decreasing their size.
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Kothera, Curt S. "Micro-Manipulation and Bandwidth Characterization of Ionic Polymer Actuators." Thesis, Virginia Tech, 2002. http://hdl.handle.net/10919/35982.

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Ionic polymer materials are a class of electroactive polymers that have been used in recent applications that take advantage of their large bending deflection. Although these materials have been around since the 1960s, it has only been in the last decade that their electromechanical coupling has been discovered. Because their life as a transducer has been relatively short, the underlying mechanisms for their mechanical motion have not yet been fully characterized. Modeling has been performed with ionic polymers, but there is no existing model, to date, that explains all the physical phenomena associated them. The work presented in this document will contribute to the characterization of these materials. To better understand the dehydration effect of ionic polymers operating in an open air environment, research was performed to help characterize this effect. Through the use of frequency response analysis, trends were established showing how the material's response characteristics varied with time, as the polymer dehydrated. These tests were also run at different humidity levels to assess the impact environmental conditions had on the response. It was shown that lower humidity levels cause the system parameters to shift at a higher rate. The two configurations tested were clamped-free and clamped-clamped, in an effort to bound the performance of the actuators for engineering applications. The clamped-clamped condition also facilitated applying tension to the polymers for evaluation of the dehydrating effects. Several comparisons to beam theory were made throughout the analysis, using it as a baseline condition illustrator. Though qualitative results were obtained with the polymers, there was much discrepancy in quantitative measures. This was to be expected though, because ionic polymers are composite actuators that exhibit nonlinear behavior, while uniform beams are linear. Environmental testing was not all that was done, however. Control techniques were applied to improve the closed-loop performance of the actuators. Using proportional-integral control, it was demonstrated that ionic polymers are capable of tracking reference inputs better than it was previously thought. This result will validate future experimentation with ionic polymers for micro-manipulation applications. The simplicity of integral control also eliminated the need for cumbersome model derivations and control system designs, reducing the time necessary to implement and test an actuator. Through the use of this control algorithm, the closed-loop bandwidth was also characterized for the cantilever and clamped-clamped polymers.
Master of Science
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Ecker, Christof. "Conformations of single polymer chains on surfaces." Doctoral thesis, Humboldt-Universität zu Berlin, Mathematisch-Naturwissenschaftliche Fakultät I, 2005. http://dx.doi.org/10.18452/15324.

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In dieser Arbeit wurden auf Substratoberflächen adsorbierte Polymermoleküle mit Rasterkraftmikroskopie (RKM) untersucht. Dabei war die Form der Moleküle (Konformation) von besonderem Interesse. Sie ist von zentralerer Bedeutung in der Polymerphysik und wird üblicherweise in Lösung und mit Streumethoden untersucht. Polymerkonformationen auf Oberflächen sind heutzutage noch wenig untersucht. Üblicherweise wird das Verhalten nach dem so genannten Wormlike-Chain Modell angenommen. Es basiert auf der Annahme, dass die Kettenbiegung nur aus thermischen Fluktuationen resultiert, so dass sich die Kettenform durch statistische Mechanik beschreiben lässt. Es wurden für verschiedene Modellsystem einzelne Moleküle hochaufgelöst abgebildet und die Konformation aus den Bildern bestimmt. Es hat sich gezeigt, dass die idealisierte Vorstellung des Wormlike-Chain Modells tatsächlich nur für wenige der untersuchten Systeme erfüllt ist. Abweichende Konformationen sind oft auffallend regelmäßig: entweder sinusartig mäandrierte oder spiralförmig gedrehte. Beide Charakteristika lassen sich aus dem Prozess der Adsorption erklären, was zeigt, dass die Moleküle auf dem Substrat immobil sind, so dass eine thermische Relaxation der Konformation verhindert ist. Konformtionen lassen sich mit RKM nicht nur beobachten, sondern auch gezielt verändern (Nanomanipulation). Für dendronisierte Polymere konnte so gezeigt werden, dass es einen glasartigen Zustand für das einzelne Molekül gibt. In diesem Zustand verhält sich das Molekül nicht mehr wie eine bewegliche Kette, sondern formstabil, ähnlich einem makroskopischen festen Körper.
In this work single polymer molecules adsorbed onto substrate surfaces were investigated by scanning force microscopy (SFM). The focus was on the shape (conformation) of the molecules, which is of central importance in polymer physics. It is commonly investigated in solutions and with scattering methods. Conformations on surfaces are only little investigated thus far. Often a behavior according to the so-called worm-like chain model is assumed. It is based on the assumption that chain bending results entirely from thermal fluctuations so that the overall chain shape can be described by statistical mechanics. For several model systems single molecules were imaged and the conformation was determined from the images. It was found that the idealistic wormlike chain behavior is only valid for a few systems. Deviations are often remarkable regular: either sine-like undulated or spiral wound. Both characteristics can be explained from the process of adsorption, indicating that molecules are immobile on the substrate so that thermal relaxation is inhibited. Conformations can not only be imaged using the SFM, but also changed in a defined way (nanomanipulation). Manipulation experiments with dendronized polymers the existence of a glassy state for the single polymer. In this state the molecule no longer behaves as a flexible chain but remains its shape, similar to a macroscopic solid body.
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Liberski, Albert Ryszard. "Combinatorial polymer synthesis and inkjet printing for cellular control and manipulation." Thesis, University of Edinburgh, 2009. http://hdl.handle.net/1842/11058.

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Inkjet printing was used for the fabrication and optimization of polymer microarrays for high-throughput screening of small molecule polymorphisms. In particular, inkjet printing was used for polymer deposition in a microarray format and for the dispensing of small molecules in solution. Crystals formed on polymer spots were screened for recording of the polymorphism. Moreover, inkjet printing was used for performing high-throughput polymerization. In the in situ nL scale polymerization the homo and copolymers were fabricated directly in microarray format. Prepared polymer microarrays were screened to identify polymers suitable for mouse embryonic stem cell adhesion and growth. To advance cell patterning in various non-microarray formats the strategy based on preferential cell binding on collagen was applied. Collagen was dispensed by inkjet printing in patterns laid-down by a bitmap converter. The second strategy for advance cell patterning was based on a simple masking process. A laser printer was used to generate a non-binding surface on glass. This simple concept delivered excellent results. Finally, polymer microarray screening was used to develop a platform for human cornea epithelial cell transfer. In this case, 252 polymers (polyurethanes and polyacrylates) were screened in a culture of cells. A transfer experiment was performed to prove the ability of cells to migrate from the cultivation surface to the target surface. The best polymer was then used to construct a platform suitable for medical use.
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Gilje, S. Scott. "Chemical manipulation of graphite for polymer composite and nano electronic applications." Diss., Restricted to subscribing institutions, 2007. http://proquest.umi.com/pqdweb?did=1495960651&sid=1&Fmt=2&clientId=1564&RQT=309&VName=PQD.

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Ecker, Christof. "Conformations of single polymer chains on surfaces non-equilibrium, equilibrium and manipulation /." [S.l.] : [s.n.], 2004. http://deposit.ddb.de/cgi-bin/dokserv?idn=976610140.

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Higginbotham, Catrena Pearl. "The characterization and manipulation of the internal pore structure of tetramethoxysilane sol-gels and polymer hybrid gels." Diss., Georgia Institute of Technology, 2001. http://hdl.handle.net/1853/30556.

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Zhuang, Wei. "Controlled nanostructures of synthetic and biological polymers investigated by scanning force microscopy techniques." Doctoral thesis, Humboldt-Universität zu Berlin, Mathematisch-Naturwissenschaftliche Fakultät I, 2010. http://dx.doi.org/10.18452/16210.

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Polymere Nanostrukturen aus funktionalen synthetischen und biologischen Makromolekülen wurden an Grenzflächen und in dünnen Filmen selbstorganisiert, und dann mit Hilfe von Rasterkraftmikroskopie (SFM) - Techniken erforscht, um ein Verständnis auf molekularer Ebene zu entwickeln, das es erlaubt, ihre Eigenschaften kontrolliert einzustellen. Eine weit verbreitetes Polymer für die organische Elektronik, Poly(3-hexylthiophen), wurde in dünnen Filmen untersucht, um den Einfluß des Molekulargewichts auf die Ausbildung molekularer Nanostrukturen und die Korrelation mit den entsprechenden Transistor Eigenschaften und Ladungsträger-Beweglichkeiten zu bestimmen. Auf der Ebene einzelner Makromolekülen wurden dendronisierte Polymere untersucht. Zum ersten Mal wurde über die spontane Faltung einzelner synthetischer Polymerketten berichtet. Darüber hinaus ist es gelungen, seltene einzelne Polymertopologien wie z.B. Kettenverzweigung nachzuweisen, die nicht durch andere Methode nachweisbar sind. Die Komplexierung von doppelsträngiger-DNA (ds-DNA) mit amphiphilen kleinen Molekülen erlaubt es, makromolekulare Konformationen durch eine Molekulare Werkbank zu kontrollieren, die wesentlich in der vorliegenden Arbeit entwickelt wurde. Damit wurde es möglich, ds-DNA auf molekular modifizierten Graphit-Oberflächen zu spalten, auszustrecken, zu überdehnen, und schließlich zu brechen. Mit einer neu entwickelten "SFM Blowing"-Technik wurden überdrillte ds-DNA und synthetische Block-Copolymere aus DNA und Poly(ethylenglycol) vollständig auf einem atomar flachen Substrat ausgestreckt. Insgesamt liefert die vorliegende Arbeit neue Einblicke in hoch interessante funktionale polymere Nanostrukturen sowie neue Methoden für deren Untersuchung. Die Ergebnisse sind von großer Bedeutung für die Entwicklung von biologisch inspirierten, funktionalen molekularen Systemen, die letztlich nahe an physikalischen Grenzen operieren, etwa was die effiziente Nutzung von Materie und Energie angeht.
Polymeric nanostructures from highly attractive, functional synthetic and biological macromolecules were self-assembled at interfaces and in thin films, and then explored with Scanning Force Microscopy (SFM) techniques, in order to develop a molecular level understanding, which allows to control their properties. A widely used polymer for organic electronics, poly(3-hexylthiophene), was investigated in thin films in order to determine the role of molecular weight for the formation of molecular nanostructures, and the correlation with the corresponding transistor properties and charge carrier mobilities. On the level of single macromolecules, dendronized polymers, were investigated. For the first time, self-folding of single synthetic polymer chains into polymeric duplexes was reported. Moreover, it became possible to detect rare single polymer topologies, such as chain branching, which could not be detected by any other means so far. The complexation of plasmid double-stranded DNA (ds-DNA) with amphiphilic small molecules allowed to control the macromolecular conformation with a “Molecular Workbench”, developed largely within this thesis. It became possible to split, stretch, overstretch, and finally break ds-DNA on molecularly modified graphite surfaces. With a newly developed “SFM blowing” technique, supercoiled ds-DNA and also synthetic block copolymers from DNA and poly(ethyleneglycol) were fully stretched on an atomically flat substrate. Quantitative experiments allowed to estimate rupture forces of ds-DNA on a time scale on the order of as much as half an hour. In summary, this work presents new insight into highly interesting functional polymeric nanostructures as well as new methods for their investigation. The results are highly relevant for a rational development of biologically inspired functional molecular systems, which may ultimately operate close to physical limits as far as the efficient use of matter and energy is concerned.
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Daniels-Hafer, Carrie Lynn. "Electrochemical tuning of charge transport at inorganic semiconductor doped conjugated polymer interfaces through manipulation of electrochemical potential /." view abstract or download file of text, 2004.

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Thesis (Ph. D.)--University of Oregon, 2004.
Typescript. Includes vita and abstract. Includes bibliographical references (leaves 185-196). Also available for download via the World Wide Web; free to University of Oregon users.
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Books on the topic "Polymer manipulation"

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Rajagopalan, Raj, and Aristide C. Dogariu. Optical Trapping and Manipulation of Particles and Polymers. University of Cambridge ESOL Examinations, 2004.

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G, Galli, Zentel R, and Ober C. K, eds. NATO Advanced Research Workshop "Manipulation of organization in polymers using tandem molecular interactions". Zug: Hüthig & Wepf, 1997.

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Akashi, Misturu, Takami Akagi, and Michiya Matsusaki. Engineered Cell Manipulation for Biomedical Application. Springer, 2016.

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Akashi, Misturu, Takami Akagi, and Michiya Matsusaki. Engineered Cell Manipulation for Biomedical Application. Springer, 2014.

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Akashi, Misturu, Takami Akagi, and Michiya Matsusaki. Engineered Cell Manipulation for Biomedical Application. Springer Japan, 2014.

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Bensimon, David, Vincent Croquette, Jean-François Allemand, Xavier Michalet, and Terence Strick. Single-Molecule Studies of Nucleic Acids and Their Proteins. Oxford University Press, 2018. http://dx.doi.org/10.1093/oso/9780198530923.001.0001.

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This book presents a comprehensive overview of the foundations of single-molecule studies, based on manipulation of the molecules and observation of these with fluorescent probes. It first discusses the forces present at the single-molecule scale, the methods to manipulate them, and their pros and cons. It goes on to present an introduction to single-molecule fluorescent studies based on a quantum description of absorption and emission of radiation due to Einstein. Various considerations in the study of single molecules are introduced (including signal to noise, non-radiative decay, triplet states, etc.) and some novel super-resolution methods are sketched. The elastic and dynamic properties of polymers, their relation to experiments on DNA and RNA, and the structural transitions observed in those molecules upon stretching, twisting, and unzipping are presented. The use of these single-molecule approaches for the investigation of DNA–protein interactions is highlighted via the study of DNA and RNA polymerases, helicases, and topoisomerases. Beyond the confirmation of expected mechanisms (e.g., the relaxation of DNA torsion by topoisomerases in quantized steps) and the discovery of unexpected ones (e.g., strand-switching by helicases, DNA scrunching by RNA polymerases, and chiral discrimination by bacterial topoII), these approaches have also fostered novel (third generation) sequencing technologies.
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Book chapters on the topic "Polymer manipulation"

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Evans, K. E. "Manipulation of Poisson’s Ratio." In Polymer Science and Technology Series, 134–36. Dordrecht: Springer Netherlands, 1999. http://dx.doi.org/10.1007/978-94-015-9231-4_29.

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Fukui, Morio, Masumi Yamada, Takaaki Saeki, Yasuhiro Kakigi, Nae Yoon Lee, and Minoru Seki. "Gene Manipulation System on Integrated Polymer Microchips." In Micro Total Analysis Systems 2002, 823–25. Dordrecht: Springer Netherlands, 2002. http://dx.doi.org/10.1007/978-94-010-0504-3_74.

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Botiz, Ioan, Cosmin Leordean, and Natalie Stingelin. "Chapter 6. Structural Control in Polymeric Semiconductors: Application to the Manipulation of Light-emitting Properties." In Polymer Chemistry Series, 187–218. Cambridge: Royal Society of Chemistry, 2016. http://dx.doi.org/10.1039/9781782624004-00187.

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Land, Philipp, and Thorsten Krumpholz. "Targeted Manipulation of Fibre Orientation Through Relative Movement in an Injection Mould." In Advances in Polymer Processing 2020, 116–27. Berlin, Heidelberg: Springer Berlin Heidelberg, 2020. http://dx.doi.org/10.1007/978-3-662-60809-8_10.

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Guo, Qunhui, Hao Tang, Peter N. Pintauro, and Sally O'Connor. "Polyphosphazene-Based Cation-Exchange Membranes: Polymer Manipulation and Membrane Fabrication." In ACS Symposium Series, 162–73. Washington, DC: American Chemical Society, 1999. http://dx.doi.org/10.1021/bk-2000-0744.ch011.

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Witek, Małgorzata A., Udara Dharmasiri, Samuel K. Njoroge, Morayo G. Adebiyi, Joyce W. Kamande, Mateusz L. Hupert, Francis Barany, and Steven A. Soper. "Application of Polymer-Based Microfluidic Devices for the Selection and Manipulation of Low-Abundant Biological Cells." In Ceramic Transactions Series, 111–22. Hoboken, NJ, USA: John Wiley & Sons, Inc., 2012. http://dx.doi.org/10.1002/9781118511466.ch12.

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Fink, D. "Ion-Track Manipulations." In Transport Processes in Ion-Irradiated Polymers, 227–68. Berlin, Heidelberg: Springer Berlin Heidelberg, 2004. http://dx.doi.org/10.1007/978-3-662-10608-2_6.

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Reuber, T. L., A. Urzainqui, J. Glazebrook, J. W. Reed, and G. C. Walker. "Genetic Analyses and Manipulations of Rhizobium meliloti Exopolysaccharides." In Novel Biodegradable Microbial Polymers, 285–94. Dordrecht: Springer Netherlands, 1990. http://dx.doi.org/10.1007/978-94-009-2129-0_24.

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Horie, M. "Study on Polymer-Made 3DOF Spatial Parallel Manipulator." In Mechanisms and Machine Science, 1–14. Cham: Springer International Publishing, 2016. http://dx.doi.org/10.1007/978-3-319-45387-3_1.

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Chee, C. K., S. Rimmer, I. Soutar, and L. Swanson. "Manipulating the Thermoresponsive Behavior of Poly(N-isopropylacrylamide)." In Stimuli-Responsive Water Soluble and Amphiphilic Polymers, 223–37. Washington, DC: American Chemical Society, 2000. http://dx.doi.org/10.1021/bk-2001-0780.ch013.

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Conference papers on the topic "Polymer manipulation"

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Colinjivadi, Karthik S., Meghana Honnatti, J. B. Lee, Rockford Draper, Matthew Ellis, George Skidmore, and Gareth Hughes. "Polymer Grippers as End-Effectors for Biological Sample Manipulation." In ASME 2006 International Mechanical Engineering Congress and Exposition. ASMEDC, 2006. http://dx.doi.org/10.1115/imece2006-14207.

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We report the development of completely releasable SU-8 based polymer microgripper and the manipulation of normal rat kidney (NRK) cells suspended in phosphate buffered saline (PBS) solution using a generic biological sample manipulator, which incorporates such a polymer microgripper as an end-effector. The electrically insulative polymer gripper consists of a thick (~50 μm), patterned high aspect ratio (~5:1) layer of SU-8 as the structural layer and a thin nickel layer as the electrothermal heating layer. The fabricated polymer gripper was completely released from the substrate and mounted onto a ceramic pad. The gripper was characterized in air and PBS, and the displacement at the tips was 12 μm for 0.5 V in air and for 2 V in PBS. The mounted gripper was assembled as end-effector onto a biological nano-manipulator (L200, Zyvex Corporation, Richardson, TX). Pick-and-place of a single cell from a cluster of suspended cells in aqueous medium has been demonstrated using this set-up.
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Kayani, Aminuddin, Adam Chrimes, Khashayar Khoshmanesh, Kourosh Kalantar-Zadeh, and Arnan Mitchell. "Dielectrophoresis of Nanoparticles for Polymer Waveguide Manipulation." In CLEO: Applications and Technology. Washington, D.C.: OSA, 2011. http://dx.doi.org/10.1364/cleo_at.2011.jwa109.

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Ferrer-Garcia, Manuel F., Yousef Alvandi, Yingwen Zhan, and Ebrahim Karimi. "Vector beam induced mass transport in azo-polymer films." In Optical Manipulation and Structured Materials Conference, edited by Takashige Omatsu, Hajime Ishihara, Keiji Sasaki, and Kishan Dholakia. SPIE, 2020. http://dx.doi.org/10.1117/12.2573522.

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Ushiro, Kenta, Fumiya Kato, Kei Murakoshi, Yasuyuki Tsuboi, Tatsuya Shoji, and Taka-Aki Asoh. "Thermophoresis-assisted optical trapping of pyrene-labeled hydrophilic polymer chains." In Optical Manipulation and Structured Materials Conference, edited by Takashige Omatsu. SPIE, 2018. http://dx.doi.org/10.1117/12.2319574.

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Del Giudice, F., G. D’Avino, M. M. Villone, F. Greco, and P. L. Maffettone. "Particle manipulation through polymer solutions in microfluidic processes." In THE SECOND ICRANET CÉSAR LATTES MEETING: Supernovae, Neutron Stars and Black Holes. AIP Publishing LLC, 2015. http://dx.doi.org/10.1063/1.4937289.

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Masuda, Keigo, Shogo Nakano, Yoshinori Kinezuka, Mitsuki Ichijo, Ryo Shinozaki, Katsuhiko Miyamoto, and Takashige Omatsu. "Optical vortex induced chiral mass-transport of azo-polymer through two photon absorption." In Optical Manipulation and Structured Materials Conference, edited by Takashige Omatsu. SPIE, 2018. http://dx.doi.org/10.1117/12.2319377.

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Kalidindi, Sanjay V., Zoubeida Ounaies, and Hamid Kaddami. "Electric Field-Manipulation of Cellulose Whisker-Reinforced Polymer Nanocomposites." In ASME 2009 Conference on Smart Materials, Adaptive Structures and Intelligent Systems. ASMEDC, 2009. http://dx.doi.org/10.1115/smasis2009-1472.

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Aligning cellulose whiskers can significantly enhance electrical and mechanical properties in polymer composites. Here, we report a method of sonication and stirring to disperse and stabilize CWs in solution. Applying an AC electric field led to good alignment and chain formation of CWs in the direction of the applied field. Alignment and chain formation was found to be function of electric field magnitude, frequency and time. Dielectric constant of the solutions as a function of microstructure was studied. Improvement in dielectric constant with increase in frequency was observed. Future work will focus on processing thin films with individually dispersed CWs, and improving their alignment to further increase the electrical and mechanical properties.
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Kawazoe, Naoki, Likun Guo, Guoping Chen, and Tetsuya Tateishi. "Manipulation of Stem Cell Functions On Grafted Polymer Surfaces." In In Commemoration of the 1st Asian Biomaterials Congress. WORLD SCIENTIFIC, 2008. http://dx.doi.org/10.1142/9789812835758_0015.

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Chiu, Cheng-Pu, Shang-Chih Lin, and Shih-Kang Fan. "Droplet Manipulation by Electrowetting on Polymer Dispersed Liquid Crystal." In TRANSDUCERS 2007 - 2007 International Solid-State Sensors, Actuators and Microsystems Conference. IEEE, 2007. http://dx.doi.org/10.1109/sensor.2007.4300127.

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Angstadt, David C., and John P. Coulter. "Product Strength and Orientation Manipulation via Vibration-Assisted Injection Molding." In ASME 2002 International Mechanical Engineering Congress and Exposition. ASMEDC, 2002. http://dx.doi.org/10.1115/imece2002-33928.

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This investigation focuses on determining why polystyrene ASTM specimens exhibit an increase in tensile strength when processed by vibration assisted injection molding (VAIM) while polycarbonate parts do not. VAIM is one of several polymer processing methods that attempt to improve product properties via manipulation of the polymer melt. Observation of birefringence patterns in VAIM processed polystyrene samples show a significant impact on molecular orientation. The same studies were conducted on opaque polycarbonate and were unable to determine the degree of molecular orientation via birefringence measurement. It was theorized that VAIM did not produce significant orientation due to its higher thermal conductivity and stiffer backbone. It has been determined by this investigation that VAIM processing does impart significant molecular orientation in polycarbonate specimens but still does not increase its UTS. It is proposed that increased molecular orientation induced by VAIM processing inhibits crazes from growing into cracks. VAIM therefore favors polymers that fail by crazing (e.g., polystyrene) rather than those that fail by shear yielding (e.g., polycarbonate).
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Reports on the topic "Polymer manipulation"

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Cohen, Robert E. Control of Morphology of Crystallizable Polymer Mixtures via Manipulation of the Heterogeneous Melt. Fort Belvoir, VA: Defense Technical Information Center, November 1990. http://dx.doi.org/10.21236/ada229395.

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